Model Comparison
Gemini 3 Pro vs Claude 3.5 HaikuWhich is better in 2026?
Gemini 3 Pro significantly outperforms across most benchmarks. Claude 3.5 Haiku is 2.8x cheaper per token.
Verdict: Gemini 3 Pro vs Claude 3.5 Haiku — which is better?
Gemini 3 Pro (by Google) and Claude 3.5 Haiku (by Anthropic) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Gemini 3 Pro outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while Claude 3.5 Haiku is better at 0 benchmarks. Gemini 3 Pro significantly outperforms across most benchmarks.
On price, Claude 3.5 Haiku is roughly 2.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3 Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemini 3 Pro if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Nov 2025
Choose Claude 3.5 Haiku if…
- cost matters — it's about 2.8x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3 Pro outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while Claude 3.5 Haiku is better at 0 benchmarks.
Gemini 3 Pro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Pro ($2.00/1M tokens) is 2.5x more expensive than Claude 3.5 Haiku ($0.80/1M tokens).
For output processing, Gemini 3 Pro ($12.00/1M tokens) is 3.0x more expensive than Claude 3.5 Haiku ($4.00/1M tokens).
In conclusion, Gemini 3 Pro is more expensive than Claude 3.5 Haiku.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3 Pro accepts 1,048,576 input tokens compared to Claude 3.5 Haiku's 200,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while Gemini 3 Pro is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Gemini 3 Pro supports multimodal inputs, whereas Claude 3.5 Haiku does not.
Gemini 3 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3 Pro
Claude 3.5 Haiku
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 3 Pro was released on 2025-11-18, while Claude 3.5 Haiku was released on 2024-10-22.
Gemini 3 Pro is 13 months newer than Claude 3.5 Haiku.
Nov 18, 2025
6 months ago
1.1yr newerOct 22, 2024
1.6 years ago
Knowledge Cutoff
When training data ends
Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Claude 3.5 Haiku's cutoff date is not specified.
We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Pro is available from Google. Claude 3.5 Haiku is available from Bedrock, Google, Anthropic.
Gemini 3 Pro
Claude 3.5 Haiku
Outputs Comparison
Key Takeaways
Gemini 3 Pro
View detailsClaude 3.5 Haiku
View detailsAnthropic
Detailed Comparison
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FAQ
Common questions about Gemini 3 Pro vs Claude 3.5 Haiku.